<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>

<body>
    <div id="app"></div>


    <script>
        //1.创建组件
        // 可以直接省略Vue.extend方法，直接书写配置对象就行
        const MyCount = {
            name: 'Count',
            data() {
                return {
                    count: 1,
                }
            },
            //挂载
            template: `
            <div>
                <h1>{{count}}</h1>
                <button @click="count++">累加</button>
            </div>
            `
        }

        const vm = new Vue({
            el: '#app',
            //2.注册组件
            components: {
                MyCount: MyCount
            },

            data() {
                return {}
            },
            template: `
         
                 <My-Count />
            `
        })
    </script>
</body>

</html>